2. thymus 1)/Structure of thymus capsule: CTinterlobular septum -corteX: dark-staining medulla: lighter-staining consists of thymic epithelial cell thymic stromal cell( ma, eo, mc, fibroblast and myoid cell) and thymocytes2.thymus 1) Structure of thymus ---capsule: CT→interlobular septum ---cortex: dark-staining ---medulla: lighter-staining ---consists of thymic epithelial cell, thymic stromal cell( ma, eo,mc, fibroblast and myoid cell) and thymocytes